Vulnerability-Lookup

VAR-202303-1689

Vulnerability from variot - Updated: 2023-12-18 13:41

Contiki-NG is an open-source, cross-platform operating system for internet of things (IoT) devices. In versions 4.8 and prior, an out-of-bounds write can occur in the BLE L2CAP module of the Contiki-NG operating system. The network stack of Contiki-NG uses a global buffer (packetbuf) for processing of packets, with the size of PACKETBUF_SIZE. In particular, when using the BLE L2CAP module with the default configuration, the PACKETBUF_SIZE value becomes larger then the actual size of the packetbuf. When large packets are processed by the L2CAP module, a buffer overflow can therefore occur when copying the packet data to the packetbuf. The vulnerability has been patched in the "develop" branch of Contiki-NG, and will be included in release 4.9. The problem can be worked around by applying the patch manually. Contiki-NG Exists in an out-of-bounds write vulnerability.Information is obtained, information is tampered with, and service operation is interrupted. (DoS) It may be in a state. There is a security vulnerability in Contiki-NG 4.8 and earlier versions

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CVE-2023-28116 (GCVE-0-2023-28116)

Vulnerability from cvelistv5 – Published: 2023-03-17 21:22 – Updated: 2025-02-25 14:53

Title

Buffer overflow in L2CAP due to misconfigured MTU

Summary

Severity

8.1 (High)


                        
                          CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

SSVC

Exploitation: none Automatable: no Technical Impact: total

CISA Coordinator · CISA-ADP (v2.0.3)

Decision recorded 2025-02-25 14:29 UTC

CWE

CWE-120 - Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

Assigner

GitHub_M mitre root

References

2 references

URL	Tags
https://github.com/contiki-ng/contiki-ng/security…	x_refsource_CONFIRM
https://github.com/contiki-ng/contiki-ng/pull/2398	x_refsource_MISC

Impacted products

1 product

Vendor	Product	Version
contiki-ng	contiki-ng	Affected: <= 4.8

Show details on NVD website

JSON

To clipboard

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          "lang": "en",
          "value": "Contiki-NG is an open-source, cross-platform operating system for internet of things (IoT) devices. In versions 4.8 and prior, an out-of-bounds write can occur in the BLE L2CAP module of the Contiki-NG operating system.  The network stack of Contiki-NG uses a global buffer (packetbuf) for processing of packets, with the size of PACKETBUF_SIZE. In particular, when using the BLE L2CAP module with the default configuration, the PACKETBUF_SIZE value becomes larger then the actual size of the packetbuf.  When large packets are processed by the L2CAP module, a buffer overflow can therefore occur when copying the packet data to the packetbuf. The vulnerability has been patched in the \"develop\" branch of Contiki-NG, and will be included in release 4.9. The problem can be worked around by applying the patch manually."
        }
      ],
      "metrics": [
        {
          "cvssV3_1": {
            "attackComplexity": "HIGH",
            "attackVector": "NETWORK",
            "availabilityImpact": "HIGH",
            "baseScore": 8.1,
            "baseSeverity": "HIGH",
            "confidentialityImpact": "HIGH",
            "integrityImpact": "HIGH",
            "privilegesRequired": "NONE",
            "scope": "UNCHANGED",
            "userInteraction": "NONE",
            "vectorString": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          }
        }
      ],
      "problemTypes": [
        {
          "descriptions": [
            {
              "cweId": "CWE-120",
              "description": "CWE-120: Buffer Copy without Checking Size of Input (\u0027Classic Buffer Overflow\u0027)",
              "lang": "en",
              "type": "CWE"
            }
          ]
        }
      ],
      "providerMetadata": {
        "dateUpdated": "2023-03-17T21:22:54.703Z",
        "orgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
        "shortName": "GitHub_M"
      },
      "references": [
        {
          "name": "https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-m737-4vx6-pfqp",
          "tags": [
            "x_refsource_CONFIRM"
          ],
          "url": "https://github.com/contiki-ng/contiki-ng/security/advisories/GHSA-m737-4vx6-pfqp"
        },
        {
          "name": "https://github.com/contiki-ng/contiki-ng/pull/2398",
          "tags": [
            "x_refsource_MISC"
          ],
          "url": "https://github.com/contiki-ng/contiki-ng/pull/2398"
        }
      ],
      "source": {
        "advisory": "GHSA-m737-4vx6-pfqp",
        "discovery": "UNKNOWN"
      },
      "title": "Buffer overflow in L2CAP due to misconfigured MTU"
    }
  },
  "cveMetadata": {
    "assignerOrgId": "a0819718-46f1-4df5-94e2-005712e83aaa",
    "assignerShortName": "GitHub_M",
    "cveId": "CVE-2023-28116",
    "datePublished": "2023-03-17T21:22:54.703Z",
    "dateReserved": "2023-03-10T18:34:29.228Z",
    "dateUpdated": "2025-02-25T14:53:03.165Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

Sightings

Author	Source	Type	Date	Other

Nomenclature

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The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
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Action not permitted

VAR-202303-1689

CVE-2023-28116 (GCVE-0-2023-28116)

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Sightings

Nomenclature

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